Standard Range Level Switch

Vertical switch

Type A 01 140 and A 01 141

Vertical switch, for top mount installations

Function2-point control (pump) or 1 switching point (alarm)
Nominal pressurePN 16 according to EN/DIN
Operating temperature0 to 300°C
Ambient temperature0 to 70°C
Density of the liquid
> Pump controlmin. 0.45 kg/dm³
> Alarmmin. 0.30 kg/dm³
Operating differentialA 01 140: 12 to 1340 mm
A 01 141: 12 to 2840 mm
Wetside materialstainless steel (CrNiMo)
Housing materialseawater resistant die cast aluminium
Flange dimensionssquare 92 x 92 mm, PCD 92 mm
Switch elementMicroswitch SPDT with silver contacts
Switch rating250 VAC, 5 A / 30 VDC, 5 A
EnclosureIP65
Safety Integrity Level (SIL)SIL 1
(Types AA 01 140 - AA 01 141: SIL 2)
Standard Range Level Switch

Marine approvals and registrations of Trimod'Besta limit switches


Electric and pneumatic level switches are available to the marine industry, in light, heavy duty and explosion proof versions.


Safety Integrity Level (SIL)


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